Visitor

directed_visit

Struct Visitor 

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pub struct Visitor<'dv, D: ?Sized, V: ?Sized>(/* private fields */);
Expand description

A wrapper for a Visit implementation.

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impl<'dv, D: ?Sized, V: ?Sized> Visitor<'dv, D, V>

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pub fn visit<N>(this: Self, node: &N)
where D: Direct<V, N>, N: ?Sized,

Complete visiting this node and return control to the Direct implementation.

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pub fn visit_mut<N>(this: Self, node: &mut N)
where D: DirectMut<V, N>, N: ?Sized,

Complete visiting this node and return control to the DirectMut implementation.

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impl<'dv, D: Debug + ?Sized, V: Debug + ?Sized> Debug for Visitor<'dv, D, V>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<D: ?Sized, V: ?Sized> Deref for Visitor<'_, D, V>

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type Target = V

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<D: ?Sized, V: ?Sized> DerefMut for Visitor<'_, D, V>

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fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.

Auto Trait Implementations§

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impl<'dv, D, V> Freeze for Visitor<'dv, D, V>
where D: ?Sized, V: ?Sized,

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impl<'dv, D, V> RefUnwindSafe for Visitor<'dv, D, V>
where D: RefUnwindSafe + ?Sized, V: RefUnwindSafe + ?Sized,

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impl<'dv, D, V> Send for Visitor<'dv, D, V>
where D: Send + ?Sized, V: Send + ?Sized,

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impl<'dv, D, V> Sync for Visitor<'dv, D, V>
where D: Sync + ?Sized, V: Sync + ?Sized,

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impl<'dv, D, V> Unpin for Visitor<'dv, D, V>
where D: ?Sized, V: ?Sized,

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impl<'dv, D, V> !UnwindSafe for Visitor<'dv, D, V>

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.